def post_unblock():
""" Unfollows a given user. """
user_link = request.form['user_link']
username = request.form['username']
user_id = request.form['user_id']
my_user_id = session.get('user_id')
user_dict = settings.get_user(my_user_id)
user = User(local_url=user_dict['feed_location'])
user.unblock(user_link=user_link, user_name=username, user_id=user_id)
return redirect(url_for('home'))
